Pith Number

pith:BVCKUPDF

pith:2017:BVCKUPDFGY3AFEII4SVEX3BSEA

not attested not anchored not stored refs pending

Principle of Conservation of Computational Complexity

Alfredo Metere, Gerald Friedland

arxiv:1712.01178 v3 · 2017-12-04 · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVCKUPDFGY3AFEII4SVEX3BSEA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:26:43.262706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d44aa3c653636029108e4aa4bec322022d96da547f0a52d357122658bf8b218

Aliases

arxiv: 1712.01178 · arxiv_version: 1712.01178v3 · doi: 10.48550/arxiv.1712.01178 · pith_short_12: BVCKUPDFGY3A · pith_short_16: BVCKUPDFGY3AFEII · pith_short_8: BVCKUPDF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/BVCKUPDFGY3AFEII4SVEX3BSEA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0d44aa3c653636029108e4aa4bec322022d96da547f0a52d357122658bf8b218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc556b3a50a243c4e5f020c62e35887bc26f6b816a902c6419569debcd031350",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-12-04T16:25:42Z",
    "title_canon_sha256": "34a1033224484fdecf3fb889642332c2cbf1bbcee14475cab2f757f2f9185356"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01178",
    "kind": "arxiv",
    "version": 3
  }
}